參數(shù)資料
型號: GL646USB
廠商: Electronic Theatre Controls, Inc.
英文描述: Three-in-one Scanner Controller for USB and 1394
中文描述: 三功能于一身的掃描儀控制器USB和1394
文件頁數(shù): 14/43頁
文件大?。?/td> 280K
代理商: GL646USB
Revision 1.3
Mar.22 2001
-13-
GL646USB
15x31.25ns/pixel = 0.469us/pixel
(1). 600dpi : 1.517~2.533ms/line
(2). 1200dpi : 3.034~5.066ms/line
6.4. Fast scan for low DPI
Multiple CCD clocking rates allows speed up scan speed. You can speed up 2 times, 3 times or 4 times scanning
time for low resolution.
For example,600dpi scanner: if 75dpi speed up 4 times then 5.4ms/4=1.35ms/line. Scan speed is equal to 1.18s/page.
Chunky scan: You can speed up 2 times,3 times or 4 times scanning time.
Planar scan: 9 system clock/pixel: You can not speed up scanning time
12 system clock/pixel : You can speed up 2 times scanning time
15 system clock/pixel : You can speed up 2 times scanning time
6.5. Scanning Type
Support three line in(parallel ) for CCD, one line in for CCD or CIS, RGB line by turns in for CCD three types.
A. CCD
a. Three line in :
b. Line by line :
c. Line by turns :
R
B. CIS
a. color scan :
TG
LED R
LED G
LED B
b. gray scan:
G
B
R
G
B
R
G
B
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